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Finding the Fourth Proportional to 82,599.53, 124,454.55 and 74,710.83

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Solution

The fourth proportional to 82,599.53, 124,454.55 and 74,710.83 is: 112,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,599.53 : 124,454.55 = 74,710.83 : x
  2. Step 2: Convert to fraction form
    82,599.53/124,454.55 = 74,710.83/x
  3. Step 3: Cross multiply
    82,599.53x = 124,454.55 × 74,710.83
  4. Step 4: Simplify right side
    82,599.53x = 9,298,102,727.78
  5. Step 5: Solve for x
    x = 9,298,102,727.78/82,599.53
  6. Step 6: Final answer
    x = 112,568.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.